Santanu G.

I have 15+ years of experience in the software industry. I build scalable SaaS platforms, AI-powered products, and mobile/web applications for startups, founders, and growing businesses — turning complex requirements into reliable, production-ready software. I stay directly involved throughout the engagement, from understanding requirements and defining the technical approach to architecture, development decisions, integrations, delivery, and communication. → You get a single accountable technical point of contact, with the flexibility and delivery capacity of an experienced development team when the project needs it. ━━━━━━━━━━━━━━━━━━━━ WHAT I CAN HELP YOU BUILD → SaaS & MULTI-TENANT PLATFORMS Subscription-based products, multi-tenant architecture, admin panels, role-based access, dashboards, analytics, billing, workflow management, and scalable backend systems. → AI-POWERED APPLICATIONS & AUTOMATION Generative AI, LLM integrations, AI agents, conversational AI, intelligent workflows, document analysis, document automation, recommendation systems, voice-based features, and AI-assisted business processes. → MOBILE APPLICATIONS Cross-platform iOS and Android applications with authentication, payments, subscriptions, push notifications, real-time functionality, maps, GPS tracking, camera features, BLE/IoT integrations, and third-party services. → COMPLEX WEB APPLICATIONS Responsive web platforms, customer portals, internal business systems, dashboards, reporting tools, real-time applications, workflow automation, and data-driven platforms. → MVP & PRODUCT DEVELOPMENT From an initial product idea or Figma design through technical architecture, frontend/backend development, integrations, testing, deployment, and preparation for future scaling. → MARKETPLACE & ON-DEMAND PLATFORMS Multi-sided marketplaces, customer/provider workflows, booking systems, bidding, payments, commissions, subscriptions, reviews, location-based services, and administrative management. → CRM, ERP & BUSINESS AUTOMATION Custom CRM/ERP platforms, operational workflows, dashboards, reporting, automation, role-based permissions, third-party integrations, and internal business tools. → HEALTHCARE & TELEHEALTH PLATFORMS Patient/provider portals, appointment scheduling, telehealth workflows, secure document management, ePrescription integrations, pharmacy workflows, healthcare data management, and compliance-focused development. → IoT, BLE & CONNECTED APPLICATIONS Bluetooth-connected products, smart-device communication, real-time device control, sensor integrations, mobile-to-device communication, and connected product ecosystems. → API & THIRD-PARTY INTEGRATIONS Payment gateways, authentication providers, CRM systems, cloud services, maps, messaging, email, push notifications, analytics, AI APIs, external databases, and custom APIs. ━━━━━━━━━━━━━━━━━━━━ TECHNOLOGIES I WORK WITH Frontend: React • Next.js • TypeScript • JavaScript Mobile: React Native Backend: Node.js • Python • REST APIs • GraphQL Databases: PostgreSQL • MySQL • MongoDB Cloud & Backend Services: AWS • Firebase • Supabase AI & Automation: OpenAI • LLM APIs • AI Agents • Conversational AI • Document Processing • Workflow Automation ━━━━━━━━━━━━━━━━━━━━ PROJECTS I’M PARTICULARLY COMFORTABLE WITH I work especially well on products that go beyond a basic website or standard mobile application, including: ✓ Multi-user and multi-role platforms ✓ Multi-tenant SaaS architecture ✓ Complex business workflows ✓ AI and LLM integrations ✓ Real-time applications ✓ Subscription and payment systems ✓ Marketplace and booking platforms ✓ Third-party API integrations ✓ Enterprise dashboards ✓ GPS and location-based applications ✓ BLE/IoT-connected products ✓ Document automation ✓ Scalable cloud architecture ━━━━━━━━━━━━━━━━━━━━ HOW I WORK I can work with an existing product that needs enhancement, modernization, performance improvements, or additional functionality — or help take a new product from requirements and technical planning through development and launch. For smaller projects, I can work directly and hands-on. For larger products requiring parallel development or specialized expertise, I can involve the right members of our team while remaining closely involved in technical decisions, project progress, and client communication. My focus is always on: ✓ Understanding the actual business requirement ✓ Choosing a practical and scalable architecture ✓ Building maintainable, production-ready software ✓ Identifying technical challenges early ✓ Clear and consistent communication ✓ Reliable delivery and long-term product scalability ━━━━━━━━━━━━━━━━━━━━ LET’S DISCUSS YOUR PRODUCT If you’re planning a SaaS platform, AI-powered application, mobile app, marketplace, or complex web application, send me the requirements